CVE-2021-26855
critical-risk
Published 2021-03-03
Microsoft Exchange Server Remote Code Execution Vulnerability
Do I need to act?
!
94.0% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (11)
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
79
/ 100
critical-risk
Severity
31/34 · Critical
Exploitability
27/34 · High
Exposure
21/34 · High